WebRoot/WEB-INF/classes/com/mapper/LoucengxinxiMapper.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.dao.LoucengxinxiMapper">
  <resultMap id="BaseResultMap" type="com.entity.Loucengxinxi">
    <id column="id" jdbcType="INTEGER" property="id" />
	<result column="louhao" jdbcType="VARCHAR" property="louhao" />
    
    <result column="addtime" jdbcType="VARCHAR" property="addtime" />
  </resultMap>
  <sql id="Base_Column_List">
    id, louhao, addtime
  </sql>
  <select id="quchongLoucengxinxi"  parameterType="java.util.Map" resultMap="BaseResultMap" >
    select 
    <include refid="Base_Column_List" />
    from loucengxinxi 
    where louhao = #{louhao,jdbcType=VARCHAR} limit 0,1
  </select>
 <select id="getCount"   resultType="int" parameterType="java.util.Map" >
    select  count(*) from loucengxinxi  where 1=1
    <if test="louhao!=null">and louhao like  concat('%',#{louhao,jdbcType=VARCHAR},'%')</if>
     
  </select> 
  <select id="getAll"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from loucengxinxi  where 1=1
    <if test="louhao!=null">
    and louhao =#{louhao}
    </if>
  </select>
  
  <select id="getsyloucengxinxi1"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from loucengxinxi  where 1=1
    limit 0,5
  </select>
  <select id="getsyloucengxinxi2"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from loucengxinxi  where 1=1
    limit 0,5
  </select>
  <select id="getsyloucengxinxi3"   resultMap="BaseResultMap" parameterType="java.util.Map" >
    select   <include refid="Base_Column_List" /> from loucengxinxi  where 1=1
    limit 0,5
  </select>
  
   <select id="getByPage" parameterType="java.util.Map" resultMap="BaseResultMap">
     select  <include refid="Base_Column_List" /> 
     from loucengxinxi where 1=1 
     <if test="louhao!=null">and louhao like  concat('%',#{louhao,jdbcType=VARCHAR},'%')</if>
     
	 order by id desc
     <if test="pageno!=null and pageSize!=null">
     limit #{pageno},#{pageSize}
     </if>
     </select>
	 
  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
    select 
    <include refid="Base_Column_List" />
    from loucengxinxi
    where id = #{id,jdbcType=INTEGER}
  </select>